Brother HL-6050DN Service Manual

Brother Laser Printer SERVICE MANUAL MODEL: HL-6050/6050D/6050DN Read this manual thoroughly before maintenance work. Keep

TABLE OF CONTENTS viii 8. LOW-VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM (100V), HL-6050 ... A-8 9. LOW-VOLTAGE POWER SUPPLY PCB CIRCUIT DIAGRAM (200

CHAPTER 3 THEORY OF OPERATION 3-322.6.5 Transfer (1) Transfer process After the drum has been charged and exposed, and has received a developed image

HL-6050/6050D/6050DN SERVICE MANUAL 4-1CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 1. SAFETY PRECAUTIONS To avoid creating secondary problems by m

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-22. DISASSEMBLY FLOW AC CORD1CLUTCH SPRING SEPARATING26MAGNETIC CLUTCH REGIST/COLLAR 627MAIN MOTOR28RELAY

HL-6050/6050D/6050DN SERVICE MANUAL 4-33. DISASSEMBLY PROCEDURE 3.1 AC Cord (1) Disconnect the AC cord from the printer. Fig. 4-1 3.2 Dru

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-43.3 Paper Tray (1) Close the process unit cover ASSY and pull out the paper tray. (2) Remove the paper fro

HL-6050/6050D/6050DN SERVICE MANUAL 4-5(4) Remove the two cup B M3x8 Taptite screws, and remove the paper tray cover. Fig. 4-5 (5) Remove th

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-6(7) Remove the four bind B M4x10 Taptite screws. (8) Remove the four hooks with lifting pressure plate, an

HL-6050/6050D/6050DN SERVICE MANUAL 4-73.4 Access Cover (1) Remove the access cover. Fig. 4-9 3.5 Network Board (1) Remove the main PCB acce

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-83.6 DX Feed ASSY (1) Remove the DX feed ASSY from the printer. Fig. 4-11 (2) Remove the bind B M3x4

HL-6050/6050D/6050DN SERVICE MANUAL 4-9(4) Remove the roller holder from the paper guide upper ASSY HE. (5) Remove the pressure roller from the ro

HL-6050/6050D/6050DN SERVICE MANUAL ixREGULATION LASER SAFETY (110 - 120V MODEL ONLY) This printer is certified as a Class I laser product under the

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-10NOTE: Be sure that both boss and pin are inserted before mounting the side regist roller holder. Fig. 4

HL-6050/6050D/6050DN SERVICE MANUAL 4-11(11) Remove the left guide plate ASSY from the DX feed ASSY. (12) Remove the drive gear 14 from the DX feed

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-12(16) Remove the two side regist roller from the DX feed ASSY. (17) Remove the T-belt B40S2M142 from the DX

HL-6050/6050D/6050DN SERVICE MANUAL 4-133.8 Top Cover ASSY (1) Open the process unit cover ASSY. (2) Remove the two shoulder screws at the front

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-14(5) Remove the three cup B M3x8 Taptite screws, and remove the panel PCB ASSY. (6) Disconnect the connect

HL-6050/6050D/6050DN SERVICE MANUAL 4-15(8) Release the two hooks “A”, and remove the back light PCB ASSY. (9) Release the two hooks “B”, and remo

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-163.10 Side Cover R (1) Remove the shoulder screw. (2) Release the three hooks, and remove the side cover

HL-6050/6050D/6050DN SERVICE MANUAL 4-173.12 Process Unit Cover ASSY / MP Cover ASSY (1) Remove the two cover stopper rings. (2) Remove the arm o

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-183.13 Exit Roller Unit (1) Disconnect the connector “A” from the relay PCB L ASSY. (2) Disconnect the con

HL-6050/6050D/6050DN SERVICE MANUAL 4-19(6) Release the four hooks, and remove the exit roller cover. (7) Remove the paper upper guide. Fig. 4

REGULATION x IEC 825 (220-240V MODEL ONLY) This printer is a Class I laser product as defined in IEC 825 specifications. The label shown below is att

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-203.14 Laser Unit (1) Disconnect the connector and flat cable. (2) Remove the four cup S M3x16 Taptite scre

HL-6050/6050D/6050DN SERVICE MANUAL 4-213.15 Fixing Unit NOTE: When replacing the fixing unit, be sure to wait 30 minutes or more after turning off

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-22(4) Remove the two pan (S/P washer) M3x8 screws, and remove the thermostat 1. (5) Remove the two pan (S/P

HL-6050/6050D/6050DN SERVICE MANUAL 4-23(8) Remove the two pan (S/P washer) M3x8 screws. (9) Remove the halogen heater 115S. Fig. 4-40 (10)

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-24(11) Push down the envelop lever R and the envelop lever L. Fig. 4-42 (12) Remove the two bind S M3x6

HL-6050/6050D/6050DN SERVICE MANUAL 4-25(14) Remove the heat roller gear 30. (15) Remove the two bind S M3x6 Taptite screws, and remove the gear pla

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-26(17) Remove the four bind S M3x6 Taptite screws, and remove the HR hold plate. (18) Remove the HR ring.

HL-6050/6050D/6050DN SERVICE MANUAL 4-27(20) Release the three hooks, and remove the front shoot. Fig. 4-48 (21) Remove the pressure roller 30

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-28(23) Release the hook, and remove the eject gear T. (24) Release the hook, and remove the release cam. (25)

HL-6050/6050D/6050DN SERVICE MANUAL 4-29(28) Remove the collar 8, and move the release lever, the envelope lever L, and the envelope lever spring to

HL-6050/6050D/6050DN SERVICE MANUAL xiSAFETY INFORMATION CAUTION FOR LASER PRODUCT (WARNHINWEIS FUR LASER DRUCKER) CAUTION: When the machine during

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-30(30) Remove the two open cover springs. (31) Release the two hooks and two pins, and remove the open cover.

HL-6050/6050D/6050DN SERVICE MANUAL 4-31(34) Release the hook and remove the eject roller gear 14 and eject roller bearing (L). (35) Release the hoo

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-32NOTE: Mount the sensor spring as shown in Fig. 4-58 when assembling the fixing sensor actuator. Fig. 4-5

HL-6050/6050D/6050DN SERVICE MANUAL 4-333.17 Feed MP Unit (1) Open the MP roller cover. (2) Remove the bearing R. (3) Remove the paper pick-up r

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-343.18 Fan Motor 80 ASSY (1) Disconnect the connector from the engine PCB. (2) Remove the two cup S M3x6 T

HL-6050/6050D/6050DN SERVICE MANUAL 4-353.19 Filter (1) Remove the two bosses, and remove the main duct. (2) Remove the filter from the main duct.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-363.21 Main PCB (1) Disconnect the all connectors. (2) Remove the four cup S M3x6 Taptite screws and three

HL-6050/6050D/6050DN SERVICE MANUAL 4-373.23 LVPS (1) Remove the four cup S M3x6 Taptite screws, and remove the main IF plate. (2) Pull out the co

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-38(6) Remove four screws, LVPS cover, and LVPS PCB. Fig. 4-70 Screw LVPS coverLVPS PCB

HL-6050/6050D/6050DN SERVICE MANUAL 4-393.24 Photo Interrupter (1) Disconnect the connector, and remove the photo interrupter. Fig. 4-71 3.2

SAFETY INFORMATION xii DEFINITIONS OF WARNINGS, CAUTIONS AND NOTES The following conventions are used in this service manual: WARNING Indicates warni

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-40(4) Release the two hooks, and remove the T1 solenoid lever. (5) Remove the solenoid spring MP. (6) Remo

HL-6050/6050D/6050DN SERVICE MANUAL 4-413.26 Clutch Spring Separating (1) Release the hook, and remove the separating disk. (2) Remove the collar

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-423.28 Main Motor (1) Remove the five cup S M3x6 Taptite screws, and remove the main gear plate ASSY. Fi

HL-6050/6050D/6050DN SERVICE MANUAL 4-433.29 Developer Clutch (1) Remove the collar 4 and bearing 4, and remove the developer clutch. Fig. 4-79

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-443.31 Interlock SW ASSY (1) Disconnect the connector. (2) Release the two hooks, and remove the interlock

HL-6050/6050D/6050DN SERVICE MANUAL 4-453.33 DEV Sensor ASSY (1) Release the hook, and remove the DEV switch holder. (2) Release the hook, and re

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-463.35 Gear 18/48 / Gear Collar (1) Remove the two cup S M3x6 Taptite screws, and remove the fixing drive p

HL-6050/6050D/6050DN SERVICE MANUAL 4-473.37 Plate Motor ASSY (1) Remove the spring. (2) Remove the two cup S M3x6 Taptite screws, and remove the

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-483.38 DX Sensor PCB (1) Remove the three bind B M4x10 Taptite screws and cup S M3x6 Taptite screw, and rem

HL-6050/6050D/6050DN SERVICE MANUAL 4-493.39 Ejection Solenoid ASSY (1) Disconnect the connector from the relay PCB R ASSY. (2) Remove the three

HL-6050/6050D/6050DN SERVICE MANUAL 1-1CHAPTER 1 GENERAL 1. FEATURES This printer has the following features; High Resolution and Fast Print

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-503.40 Size SW PCB ASSY / Size SW Spring (1) Remove the two cup S M3x6 Taptite screws, and remove the tray

HL-6050/6050D/6050DN SERVICE MANUAL 4-513.41 Toner Sensor PCB Unit (1) Remove the cup S M3x6 Taptite screw, and remove the toner sensor PCB unit.

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-523.43 Relay PCB Unit (1) Disconnect the all connectors. (2) Remove the cup B M3x8 Taptite screw. (Ground

HL-6050/6050D/6050DN SERVICE MANUAL 4-533.45 PE/PO Sensor PCB ASSY (1) Remove the four cup S M3x6 Taptite screws, and remove the under bar. (2) R

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-543.46 Tray PE Actuator (1) Release the hook, and remove the gear 33. (2) Remove the FR bearing AML. (3)

HL-6050/6050D/6050DN SERVICE MANUAL 4-553.47 RE Roller (1) Remove the collar 6 and bearing A. (2) Remove the collar 8 and bearing A. (3) Remove t

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-563.49 MP-PE Sensor Actuator 1 / MP Sensor PCB ASSY (1) Remove the drum lock lever spring. (2) Release the

HL-6050/6050D/6050DN SERVICE MANUAL 4-57(9) Release the hook, and remove the gear 24. (10) Remove the FR bearing AML. (11) Remove the collar 6 and

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-58(14) Remove the two cup S M3x6 Taptite screws of right side. (15) Remove the paper feed frame unit. Fig

HL-6050/6050D/6050DN SERVICE MANUAL 4-59(18) Remove the two bind B M3x10 Taptite screws from the MP chute. (19) Remove the two MP pressure spring 25

CHAPTER 1 GENERAL 1-2USB Interface (for Windows 98/Me/2000/XP, iMac and Power Macintosh) The printer can be connected using the Universal Serial Bus

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-60(23) Remove the MP-PE sensor actuator 2 from the shaft. (24) Remove the cup B M3x8 Taptite screw, and remov

HL-6050/6050D/6050DN SERVICE MANUAL 4-614. PACKING Fig. 4-113 Accessory bag Pad Pad AC cords Printer Pad Carton Drum unit

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-625. GUIDELINES FOR LEAD FREE SOLDER All components are soldered using lead free solder, be sure to use

HL-6050/6050D/6050DN SERVICE MANUAL 4-63 Shrinkagecracks Figure 1 Shrinkage Cracks 4. Identification of lead-free so

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-647) A localized ventilation system and gloves are required for soldering operations. Lead-free solder d

HL-6050/6050D/6050DN SERVICE MANUAL 4-656. LUBRICATION Apply the specified lubricants to the lubrication points as shown below. PG4PG4 PG4: Gre

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-66BG4 BG4: Grease BG-MS 4mm dia. ball FG4FG4 FG4: Grease FG-80H 4mm dia. ball FG4FG4 Main motor ASSY Gear 1

HL-6050/6050D/6050DN SERVICE MANUAL 4-67 BG4BG4 BG4: Grease BG-MS 4mm dia. ball BG4 BG4: Grease BG-MS 4mm dia. ball Gear 67 Gear 24 Gear 24

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-68 EM4EM4EM4PG4 EM4: Grease EM-D110 4mm dia. ball PG4: Grease PG-662 4mm dia. ball DX feed ASSY Side regi

HL-6050/6050D/6050DN SERVICE MANUAL 4-697. HARNESS ROUTING Exit roll unit Laser unitLaser unitRelay PCB L ASSYRelay PCB L ASSYExit roll unitMai

HL-6050/6050D/6050DN SERVICE MANUAL 1-32. OVERVIEW <Front View> Fig. 1-1 <Rear View> *The printer illustration is based

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-70 Toner sensor PCB unitToner sensor PCB unitRelay PCB L ASSYMain PCBHVPS PCB ASSYEngine PCB34Relay PCB unit

HL-6050/6050D/6050DN SERVICE MANUAL 4-71 Scanner fanRelay PCB L ASSYRelay PCB L ASSYEngine PCBInterlock SW ASSYFan 40Interlock SW ASSYScanner fanTon

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY 4-72 Plate motor ASSYDX sensor PCBPE/PO sensor PCB ASSY9LVPS PCBLVPS PCBPlate motor ASSYTray guide left frontEn

HL-6050/6050D/6050DN SERVICE MANUAL 4-73 T1 solenoid ASSY / MP solenoid ASSYT1 solenoid ASSYMP solenoid ASSY13Size SW PCB ASSYSize SW PCB ASSY1514En

HL-6050/6050D/6050DN SERVICE MANUAL 5-1CHAPTER 5 PERIODIC MAINTENANCE To avoid creating secondary problems by mishandling, follow the warnings b

CHAPTER 5 PERIODIC MAINTENANCE 5-2!CAUTION: 1) It is recommended to place the drum unit assembly on a piece of disposable paper or cloth in case you

HL-6050/6050D/6050DN SERVICE MANUAL 5-3 !CAUTION: • For best performance, use only genuine Brother toner. The product should only be used in a clea

CHAPTER 5 PERIODIC MAINTENANCE 5-41.2 Toner Cartridge Toner low: The “TONER LOW” message appears at intervals on the LCD display when the toner cart

HL-6050/6050D/6050DN SERVICE MANUAL 5-5 (3) Push down the blue lock lever and take the toner cartridge out of the drum unit assembly. (4) Unpack

CHAPTER 5 PERIODIC MAINTENANCE 5-6!CAUTION: • Handle the drum unit and toner cartridge carefully. If toner scatters on your hands or clothes, wipe

CHAPTER 1 GENERAL 1-43. SPECIFICATIONS 3.1 Printing Print method Electrophotography by semiconductor laser-beam scanning Laser Wavelength: 780 n

HL-6050/6050D/6050DN SERVICE MANUAL 5-72. PERIODICAL REPLACEMENT PARTS Periodical replacement parts are the parts to be replaced periodically to

CHAPTER 5 PERIODIC MAINTENANCE 5-82.1 Replacing the Fixing Unit <Uninstalling Procedure> 1) Pull out the paper tray. Fig.5-16 2) Remove t

HL-6050/6050D/6050DN SERVICE MANUAL 5-93) Open the rear tray. 4) Remove the two shoulder screws, and remove the rear cover ASSY. Fig.5-18 5) Di

CHAPTER 5 PERIODIC MAINTENANCE 5-10<Installing Procedure> 1) Install the fixing unit into the printer. 2) Secure the fixing unit with the two

HL-6050/6050D/6050DN SERVICE MANUAL 5-117) Install the DX feed ASSY into the printer. Fig.5-22 8) Put the paper tray into the printer. Fig.5-23

CHAPTER 5 PERIODIC MAINTENANCE 5-122.2 Replacing the Paper Feeding Kit Tray <Uninstalling Procedure> 1) Pull out the paper tray. Fig.5-24

HL-6050/6050D/6050DN SERVICE MANUAL 5-133) Turn over the machine. 4) Release the hook, and remove the separation roller ASSY. 5) Release the hook,

CHAPTER 5 PERIODIC MAINTENANCE 5-14<Installing Procedure> 1) Set the feed roller ASSY onto the paper feed holder ASSY. 2) Set the separation

HL-6050/6050D/6050DN SERVICE MANUAL 5-155) Put the paper tray into the printer. Fig.5-29 Paper tray

CHAPTER 5 PERIODIC MAINTENANCE 5-162.3 Replacing the Paper Feeding Kit MP <Uninstalling Procedure> 1) Open the process unit cover ASSY and re

HL-6050/6050D/6050DN SERVICE MANUAL 1-53.2 Functions CPU Fujitsu SPARClite 200MHz Emulation Brother Printing Solution for Windows Automatic e

HL-6050/6050D/6050DN SERVICE MANUAL 5-175) Remove the separation plate ASSY. Fig.5-32 Separation plate ASSY

CHAPTER 5 PERIODIC MAINTENANCE 5-18<Installing Procedure> 1) Set the separation plate ASSY. Fig.5-33 2) Set the paper pick-up roller ASSY

HL-6050/6050D/6050DN SERVICE MANUAL 5-195) Install the drum unit into the printer and close the process unit cover ASSY. Fig.5-35 Drum unit Proces

CHAPTER 5 PERIODIC MAINTENANCE 5-202.4 Replacing the Laser Unit <Uninstalling Procedure> 1) Open the process unit cover ASSY and remove the d

HL-6050/6050D/6050DN SERVICE MANUAL 5-214) Open the rear tray. 5) Remove the two shoulder screws, and remove the rear cover ASSY. Fig.5-38 6) O

CHAPTER 5 PERIODIC MAINTENANCE 5-229) Disconnect the connector and flat cable. 10) Remove the four cup S M3x16 Taptite screws, and remove the laser

HL-6050/6050D/6050DN SERVICE MANUAL 5-23<Installing Procedure> 1) Secure the laser unit with the four cup S M3x16 Taptite screws. 2) Connect

CHAPTER 5 PERIODIC MAINTENANCE 5-245) Secure the rear cover ASSY with the two shoulder screws. 6) Close the rear tray. Fig.5-43 7) Install the

HL-6050/6050D/6050DN SERVICE MANUAL 5-258) Install the drum unit into the printer and close the process unit cover ASSY. Fig.5-45 9) Put the pa

CHAPTER 5 PERIODIC MAINTENANCE 5-263. PERIODICAL CLEANING Clean the following parts periodically to avoid any printer problems or print image def

© Copyright Brother Industries, Ltd. 2003 All rights reserved. No part of this publication may be reproduced in any form

CHAPTER 1 GENERAL 1-63.3 Electrical and Mechanical Power source U.S.A. and Canada: AC 100 to 120V, 50 Hz/60 Hz Europe and Australia: AC 220 to

HL-6050/6050D/6050DN SERVICE MANUAL 5-27 !CAUTION: • Use water or neutral detergents for cleaning. Cleaning with volatile liquids such as thinner o

CHAPTER 5 PERIODIC MAINTENANCE 5-283.3 Cleaning the Scanner Window When replacing the drum unit or toner cartridge with a new one, be sure to clean

HL-6050/6050D/6050DN SERVICE MANUAL 5-293.4 Cleaning the Electrical Terminals To obtain the best print performance, be sure to clean the electrical

CHAPTER 5 PERIODIC MAINTENANCE 5-304. MTBF / MTTR The meantime between failure (MTBF and the meantime to repair (MTTR) for this printer are as fo

HL-6050/6050D/650DN SERVICE MANUAL 6-1CHAPTER 6 TROUBLESHOOTING 1. INTRODUCTION 1.1 Initial Check (1) Operating environment Check if: • The

CHAPTER 6 TROUBLESHOOTING 6-2(4) Others Condensation: When the printer is moved from a cold room into a warm room in cold weather, condensation ma

HL-6050/6050D/650DN SERVICE MANUAL 6-31.3 Identify the Problem If you encounter any printer error or problem, first identify it referring to the cha

CHAPTER 6 TROUBLESHOOTING 6-42. OPERATOR CALLS & SERVICE CALLS 2.1 Operator Calls An ‘operator call’ which the printer indicates on the LCD di

HL-6050/6050D/650DN SERVICE MANUAL 6-5 Error Message Remedy JAM XXX Carefully pull out the jammed paper from the indicated area. Refer to subsection

CHAPTER 6 TROUBLESHOOTING 6-6 Maintenance Message Remedy CHANGE DRUM SOON The drum unit is almost at the end of life. Prepare a new drum unit. Ref

HL-6050/6050D/6050DN SERVICE MANUAL 1-73.4 Network (NC-6100H) Type / Speed 10/100 Base TX Ethernet Automatic negotiation Protocols TCP/IP (ARP, RA

HL-6050/6050D/650DN SERVICE MANUAL 6-72.2 Service Calls When each of the following messages appears alternately on the LCD, a user unrecoverable erro

CHAPTER 6 TROUBLESHOOTING 6-8Holding down the – switch and the Set switch at the same time while the error messages display will cause the type of th

HL-6050/6050D/650DN SERVICE MANUAL 6-9 Error Messages Meaning Remedy ERROR E49 Malfunction of fuser detected by hardware. Turn off the printer. Wa

CHAPTER 6 TROUBLESHOOTING 6-10 Error Messages Meaning Remedy ERROR H67 NV-RAM reading error Turn off the printer. Wait a few seconds, and then tu

HL-6050/6050D/650DN SERVICE MANUAL 6-113. PAPER PROBLEMS When any paper related problem occurs, ensure that the paper used meets the recommended p

CHAPTER 6 TROUBLESHOOTING 6-12 The printer does not print. (1) Make sure that the cable is connected to the printer. (2) Make sure that the appropr

HL-6050/6050D/650DN SERVICE MANUAL 6-133.2 Paper Jams • If paper jams in the printer, it will stop printing and display the following messages on th

CHAPTER 6 TROUBLESHOOTING 6-143.2.1 Clearing jammed paper Clear the jammed paper following the procedures below; JAM TRAY 1 (Upper paper tray) JAM

HL-6050/6050D/650DN SERVICE MANUAL 6-15(2) Fan the paper stack, then put it back in the multi-purpose tray. (3) When loading paper in the multi-pur

CHAPTER 6 TROUBLESHOOTING 6-16(6) Close the front cover of the printer. WARNING After you have just used the printer, some parts inside the printer

CHAPTER 1 GENERAL 1-83.5 Paper 3.5.1 Feedable paper (1) Paper type Paper type Paper tray (standard)Multi-purpose tray Optional lower trayAutomatic D

HL-6050/6050D/650DN SERVICE MANUAL 6-17JAM REAR (paper jam behind the back output tray) (1) Press the cover release button and then open the front

CHAPTER 6 TROUBLESHOOTING 6-18(4) Open the back output tray. Fig.6-13 (5) Push down the blue tabs at the left and right had sides. Fig.6-14 (6) Op

HL-6050/6050D/650DN SERVICE MANUAL 6-19 !CAUTION: After you have just used the printer, some parts inside the printer are extremely hot. When you ope

CHAPTER 6 TROUBLESHOOTING 6-20(5) Pull the jammed paper out of the printer. Fig. 6-19 (6) Put the duplex tray and paper tray back in the printer.

HL-6050/6050D/650DN SERVICE MANUAL 6-213.2.2 Causes & countermeasures The causes for paper jam problems vary depending on the location of the pa

CHAPTER 6 TROUBLESHOOTING 6-223.3 Paper Feeding Problems Even if the paper is printed and ejected without any problems such as paper jams, paper fee

HL-6050/6050D/650DN SERVICE MANUAL 6-23 F-4 Curl or Wave User Check (1) Check the paper used meets the recommended paper specifications. Both high

CHAPTER 6 TROUBLESHOOTING 6-244. SOFTWARE SETTING PROBLEMS The printer may not print the data correctly if there are incorrect software settings.

HL-6050/6050D/650DN SERVICE MANUAL 6-25 S-2 Unable to print from application software under DOS. User Check (1) Check that the DOS application sof

CHAPTER 6 TROUBLESHOOTING 6-26 S-4 This printer does not appear in Chooser with iMac and Power Macintosh G3/G4 with USB. User Check (1) Check the

HL-6050/6050D/6050DN SERVICE MANUAL 1-9(2) Paper size Paper Tray (Standard) Multi-purpose tray Optional lower tray Automatic Duplex printing Paper

HL-6050/6050D/650DN SERVICE MANUAL 6-275. MALFUNCTIONS When taking countermeasures for malfunctions as described in this section, check connectors

CHAPTER 6 TROUBLESHOOTING 6-28 M-2 Main motor does not rotate Possible cause Step Check Result Remedy Failure of connector 1 Is the connection o

HL-6050/6050D/650DN SERVICE MANUAL 6-29 M-4 Insufficient output from high-voltage power supply unit Possible cause Step Check Result Remedy High-v

CHAPTER 6 TROUBLESHOOTING 6-30 M-7 Scanner failure Possible cause Step Check Result Remedy Harness connection failure 1 Is the connection of the

HL-6050/6050D/650DN SERVICE MANUAL 6-31 M-9 ROM error / D-RAM error / NV-RAM error Possible cause Step Check Result Remedy Main PCB 1 Is it poss

CHAPTER 6 TROUBLESHOOTING 6-32 M-12 TR Release Motor Error Possible cause Step Check Result Remedy Connection failure of TR Release Motor connecto

HL-6050/6050D/650DN SERVICE MANUAL 6-336. IMAGE DEFECTS 6.1 Image Defect Examples I-2 DarkI-1 Light I-2 Dark I-3 Completely blankI-4 All blackI-

CHAPTER 6 TROUBLESHOOTING 6-346.2 Troubleshooting Image Defect Several types of the image defects can be cleared by end users. For those defects, i

HL-6050/6050D/650DN SERVICE MANUAL 6-35 I-2 Dark Possible cause Step Check Result Remedy Ground contacts Corona failure (contact failure) 1

CHAPTER 6 TROUBLESHOOTING 6-36 I-3 Completely blank Possible cause Step Check Result Remedy Ground contacts Developing bias contact failure 1 A

CHAPTER 1 GENERAL 1-10• It is recommended to use labels or transparencies which are designed for use in laser printers. • Avoid feeding labels with

HL-6050/6050D/650DN SERVICE MANUAL 6-37 I-4 All black Possible cause Step Check Result Remedy Ground contacts Corona failure 1 Is the corona w

CHAPTER 6 TROUBLESHOOTING 6-38 I-5 Dirt on the back of paper Possible cause Step Check Result Remedy Fixing unit dirty 1 Is the pressure rol

HL-6050/6050D/650DN SERVICE MANUAL 6-39 I-6 Black and blurred vertical streaks Possible cause Step Check Result Remedy Corona failure 1 Is

CHAPTER 6 TROUBLESHOOTING 6-40 I-7 Black and blurred horizontal stripes Possible cause Step Check Result Remedy Ground contacts Scratch on the

HL-6050/6050D/650DN SERVICE MANUAL 6-41 I-9 White vertical streaks Possible cause Step Check Result Remedy Transfer failure 1 Is the tran

CHAPTER 6 TROUBLESHOOTING 6-42 I-11 Faulty registration Possible cause Step Check Result Remedy Excessive paper load 1 Is the paper loaded in t

HL-6050/6050D/650DN SERVICE MANUAL 6-43 I-13 Image distortion Possible cause Step Check Result Remedy Laser unit installation 1 Is the laser un

CHAPTER 6 TROUBLESHOOTING 6-44 I-15 White spots Possible cause Step Check Result Remedy Drum unit failure 1 Are the white spot at 94mm inter

HL-6050/6050D/650DN SERVICE MANUAL 6-45NOTE: Clean the drum unit as follows: (1) Remove the toner cartridge from the drum unit. Place the printing

CHAPTER 6 TROUBLESHOOTING 6-46 I-16 Black spots Possible cause Step Check Result Remedy Ground contactsDrum unit 1 Are the spots at 94mm int

HL-6050/6050D/6050DN SERVICE MANUAL 1-113.6 Printable Area 3.6.1 PCL5e/EPSON/IBM emulation When using PCL emulation, the edges of the paper that cann

HL-6050/6050D/650DN SERVICE MANUAL 6-47 I-17 Black band Possible cause Step Check Result Remedy Ground contacts Corona failure 1 Is the wire c

CHAPTER 6 TROUBLESHOOTING 6-48 I-18 Gray background Possible cause Step Check Result Remedy Print paper 1 Does the paper being used meet the p

HL-6050/6050D/650DN SERVICE MANUAL 6-49 I-20 Downward fogging of solid black Possible cause Step Check Result Remedy Toner cartridge failure 1

CHAPTER 6 TROUBLESHOOTING 6-50 I-22 Light rain Possible cause Step Check ResultRemedy Ground contactDrum unit failure 1 Is the problem solved

HL-6050/6050D/650DN SERVICE MANUAL 6-51 I-24 Toner specks User Check (1) Check the paper used meets the recommended paper specifications. A

CHAPTER 6 TROUBLESHOOTING 6-526.3 Location of Grounding Contacts 6.3.1 Process unit Fig. 6-25 6.3.2 Printer body & Paper tray Fig. 6

HL-6050/6050D/650DN SERVICE MANUAL 6-537. INCORRECT PRINTOUT When the data is not printed correctly as it is seen on the PC screen, follow the pro

CHAPTER 6 TROUBLESHOOTING 6-54 P-2 Unable to print full pages of a document with the “PRINT OVERRUN” message. User Check (1) Press the Go switch on

HL-6050/6050D/650DN SERVICE MANUAL 6-55 P-4 Headers or footers are not printed out even though they are viewed on PC screen. User Check Most laser p

CHAPTER 6 TROUBLESHOOTING 6-568. NETWORK PROBLEM If the error related to network occurs, refer to the following sections; 8.1 Installation Prob

CHAPTER 1 GENERAL 1-12The table below shows the printable areas when printing on Portrait for each paper size. Size A B C D E F G Letter 215.9 mm

HL-6050/6050D/650DN SERVICE MANUAL 6-57(3) If you cannot make any of the connections in step (2), check the following: a) Make sure the printer is

CHAPTER 6 TROUBLESHOOTING 6-588.3 TCP/IP Troubleshooting If you are using TCP/IP and cannot print to the print server and you have checked the hardwa

HL-6050/6050D/650DN SERVICE MANUAL 6-59(4) If you are using an AT&T-based UNIX, make sure the printer is enabled (enable printer, where printer

CHAPTER 6 TROUBLESHOOTING 6-608.7 Windows 95/98/Me Peer to Peer (HP JetAdmin Compatible Method) Troubleshooting If you are having trouble printing

HL-6050/6050D/650DN SERVICE MANUAL 6-618.10 Windows 95/98/Me/2000/XP IPP Troubleshooting Want to use a different Port number other than 631 If you a

CHAPTER 6 TROUBLESHOOTING 6-628.11 Novell Netware Troubleshooting If you cannot print from NetWare and you have checked the hardware and network as

HL-6050/6050D/650DN SERVICE MANUAL 6-638.12 AppleTalk Troubleshooting If you cannot print from an AppleTalk for Macintosh computer and you have check

HL-6050/6050D/6050DN SERVICE MANUAL 7-1 CHAPTER 7 SERVICE SUPPORT SOFTWARE 1. ENTERING HIDDEN FUNCTION MENU MODES HL-6050/6050D/6050DN has 3

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-2 2. PROFESSIONAL MENU MODE The Professional Menu mode enables to customize various functions for specific u

HL-6050/6050D/6050DN SERVICE MANUAL 7-3 2.2 Function Table The following printer settings and function will be available with this operation. Title &

HL-6050/6050D/6050DN SERVICE MANUAL 1-13 PhysicalpagePrintableareaLogicalpageB PhysicalpagelengthDMaximumlogicalpagelengthFDistancefromedge

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-4 Title & Subtitle Item to be Set Description READOUT SELECT READOUT=ON When receiving DC3 in FX emulati

HL-6050/6050D/6050DN SERVICE MANUAL 7-5 Title & Subtitle Item to be Set Description FONT SELECT 300DPI PRIORITY 3B PRIO=LOW* The priority

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-6 Title & Subtitle Item to be Set Description PS BINARY SELECT PS BINARY=ASCII* Handle the data as ASCII

HL-6050/6050D/6050DN SERVICE MANUAL 7-7 Title & Subtitle Item to be Set Description JOB TIMEOUT SEL TIMEOUT=ON* PJL JOB TIMEOUT is effective.

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-8 3. SERVICE MENU MODE By enabling the Service Menu mode provides, you will get various printer information.

HL-6050/6050D/6050DN SERVICE MANUAL 7-9 Title Subtitle Description SERVICE INFO PRINT PAGES A4/LTR PAGE LGL/A4LONG PAGE B5/EXE PAGE ENVELOPE

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-10 Title Subtitle Description JAM COUNT Displays the total number of paper jam occurrence. (JAM MP TRAY + JAM T

HL-6050/6050D/6050DN SERVICE MANUAL 7-11 Title Subtitle Description SCANNER UNIT START TUNING Carries out the automatic correction of twin laser. *T

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-12 Title Subtitle Description MAINTENANCE PRINT Prints the maintenance information. (The contents are the same

HL-6050/6050D/6050DN SERVICE MANUAL 7-13 4. OTHER HIDDEN FUNCTION MENUS 4.1 Hidden Function Menus Enabled by Pressing Switch(es) When Turning the

CHAPTER 1 GENERAL 1-14The table below shows the printable areas when printing on Landscape for each paper size. Size A B C D E F G Letter 279.4 mm

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-14 4.2 Parts Life Reset Function This function is used by service specialists only when changing the periodical

HL-6050/6050D/6050DN SERVICE MANUAL 7-15 5. PRINT SETTINGS If you want to know the drum unit life or the number of printed pages, you should print

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-16 5.2 Contents Overview The Print Settings, configured with two pages, is for both PCL and PS. However, page 3

HL-6050/6050D/6050DN SERVICE MANUAL 7-17 The consumable parts indicated are as follows:  PF KIT MP  PF KIT 1  PF KIT 2 ( Displayed only when the TR

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-18 6. HOW TO USE THE SELF-DIAGNOSTICS TOOLS There are three self-diagnostics tools, which are automatically

HL-6050/6050D/6050DN SERVICE MANUAL 7-19 6.2 Diagnostics This tool helps you to report your PC environment to investigate the cause of problem such as

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-20 (3) If you click the OK button in Step 2, the dialog box below appears. Fig. 7-5 (4) Check the result tha

HL-6050/6050D/6050DN SERVICE MANUAL 7-21 6.3 Printer Information The drum unit life or page counter is printed on Print Configuration in some countrie

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-22 7. NVRAM DEFAULT VALUE The default values for the main items to be set in NVRAM are as follows; Items De

HL-6050/6050D/6050DN SERVICE MANUAL 7-23 8. HOW TO REWRITE HL-6050/6050D/6050DN FLASH ROM The ROM composition of each PCB is as follows: Main PCB

HL-6050/6050D/6050DN SERVICE MANUAL 1-153.7 Print Speeds with Various Settings Print speed of the HL-6050/6050D/6050DN printers is up to 24/25 ppm

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-24 How to rewrite 1. Controller firmware (ROM 1) (BLF file) (1) Connect the USB cable to the printer. Turn on

HL-6050/6050D/6050DN SERVICE MANUAL 7-25 <When the error occurs> The step in which an error occurred is displayed in the PIT3 control window. Al

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-26 2. Controller firmware (ROM 1) (AVA file) NOTE: Rewriting firmware by AVA file is prepared for the case re

HL-6050/6050D/6050DN SERVICE MANUAL 7-27 3. Controller firmware (ROM 1) (BIN file) NOTE: Rewriting with BIN file does not require connecting the p

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-28 (8) Turn the printer on. The printer automatically moves to the rewriting mode and starts rewriting. While r

HL-6050/6050D/6050DN SERVICE MANUAL 7-29 4. Network firmware (NC-6100h, NC-7100w) (BLF file) Things to prepare (Addition to the “Things to prepare

CHAPTER 7 SERVICE SUPPORT SOFTWARE 7-30 9. NVRAM BACKUP The following two methods can be used to copy the whole NVRAM with CompactFlash: 1. Writ

APPENDIX A-1 ++++ADR[2]ADR[3]ADR[4]ADR[5]ADR[6]ADR[7]ADR[8]ADR[11]ADR[12]ADR[13]ADR[14]ADR[15]ADR[16]ADR[17]ADR[18]ADR[19]ADR[20]ADR[21]ADR[22]ADR[23]

APPENDIX A-2++DBACEFEDBACF6781 678234 52341 5CR5000CDCC_D[2]CDCC_D[3]CDCC_D[4]CDCC_D[5]CDCC_D[6]CDCC_D[7]CDCC_D[0]CDCC_D[1]D[7]D[4]CDCC_D[3]D[2]CDCC_

APPENDIX A-3 DATA_D[7]DATA_D[9]DATA_D[15]ADR[3]DATA_D[11]DATA_D[5]DATA_D[7]ADR[6]ADR[12]DATA_D[11]ADR[5]DATA_D[1]DATA_D[12]DATA_D[4]DATA_D[14]DATA_D[1

HL-6050/6050D/6050DN SERVICE MANUAL iPREFACE This service manual contains basic information required for after-sales service of the laser printer (he

CHAPTER 1 GENERAL 1-163.8 Toner Cartridge Weight Information Toner Cartridge Weight (approx weight) TN4100/TN670 Brand new Toner Cartridge Weight

APPENDIX A-4+DBACEFEDBACF6781 678234 52341 5CR5000DATA_S[11]DATA[5]DATA[11]ADR[5]ADR[13]ADR[3]DATA[8]ADR[20]DATA_S[12]ADR[10]ADR[12]DATA_S[7]DATA_S[1

APPENDIX A-5 DBACEFEDBACF6781 678234 52341 5CR50000VVDON12-2DVDON0Q4C3735CBEVDD5R52680R51680TP51R50680TP520VR23100TP31C42C471VDD32-2DVDON1R53680C28C10

APPENDIX A-6+DBACEFEDBACF6781 678234 52341 5CR5000DATA_S[0]CF_AD[5]CF_AD[4]CF_DAT[5]CF_DAT[2]CF_AD[2]CF_AD[7]CF_DAT[7]ADR_M[6]CF_AD[1]CF_DAT[3]CF_AD[

APPENDIX A-7 A - 7APPENDIX 7. BLOCK DIAGRAM, HL-6050CODENAMELJ9586001BLOCK DIAGRAM

APPENDIX A-8A - 8APPENDIX 8. LOW-VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM (100V), HL-6050NAME Low-voltage PS Circuit (100V)

APPENDIX A-9 A - 9APPENDIX 9. LOW-VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM (200V), HL-6050NAME Low-voltage PS Circuit (200V)

APPENDIX A-10 A - 10APPENDIX 10. HIGH-VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM, HL-6050NAME High-voltage PS Circuit

APPENDIX A-11 ++DBACEFEDBACF6781 678234 52341 5CR50002.0f=8.3MHzANALOG0.5ANALOGf=32kHzANALOGANALOGANALOGANALOGANALOGANALOG+0.14Vf=32kHzANALOGVIH(min)=

APPENDIX A-12 +++DBACEFEDBACF6781 678234 52341 5CR5000Ib=0.55mA1.015mAANALOG32kHz32kHz0.5Ib=3.3mA0.50.50.5Ib=3.3mAIb=3.3mA0.5Ib=3.3mAIb=3.3mA0.52.4mA

HL-6050/6050D/6050DN SERVICE MANUAL 1-174. SERIAL NO. DESCRIPTIONS The descriptions below show how to understand the meanings of the numbers prin

CHAPTER 1 GENERAL 1-18(4) Toner cartridge: Imprinted on the aluminum bag 3 K 3 0 J Printed on the bar code label attached on the ton

HL-6050/6050D/6050DN SERVICE MANUAL 2-1CHAPTER 2 INSTALLATION AND BASIC OPERATION 1. CONDITIONS REQUIRED FOR INSTALLATION 1.1 Power Supply •

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-21.3 System Requirements for Brother Printer Solution for Windows Check the following system requireme

HL-6050/6050D/6050DN SERVICE MANUAL 2-32. UNPACKING When unpacking the printer, check to see that all of the following components are included in

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-43. INSTALL THE PRINTER You need to implement hardware setup and driver installation to use the prin

HL-6050/6050D/6050DN SERVICE MANUAL 2-53.1.1 Install the drum unit assembly (1) Open the front cover by pressing the front cover release button. (2

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-63.1.2 Load paper into the paper tray (1) Pull the paper tray completely out of the printer. (2) Whil

HL-6050/6050D/6050DN SERVICE MANUAL 2-73.1.3 Print a test page (1) Make sure the printer power switch is off. Connect the AC power cord to the pri

TABLE OF CONTENTS ii TABLE OF CONTENTS REGULATION...viii S

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-84. CONTROL PANEL OPERATION The printer has one LCD, seven buttons and one LED on the control pane

HL-6050/6050D/6050DN SERVICE MANUAL 2-94.2 Panel Switches Functions You can control the basic printer operations and change various printer settings

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-104.2.3 Reprint button If you want to reprint a document that has just been printed, you can reprint it

HL-6050/6050D/6050DN SERVICE MANUAL 2-11Reprint the last job 3 times 1. Set the REPRINT setting is ON by using the control panel buttons to enter t

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-12Operations for printing secure data Press the Reprint switch. When there is

HL-6050/6050D/6050DN SERVICE MANUAL 2-13(3) Printing Proof data You can use this setting to reprint Proof data that has been printed and has no secu

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-144.2.4 + & - button If you press the + or – button when the printer is in the on-line (READY), it

HL-6050/6050D/6050DN SERVICE MANUAL 2-154.3.1 Backlights The backlight of the LCD shows the current printer status with the different colors and the

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-164.4 How to Use the Control Panel When you use the Menu buttons (+, –, Set or Back), remember the fol

HL-6050/6050D/6050DN SERVICE MANUAL 2-174.5 Control Panel Setting Menu There are 8 modes. For more information about the selections available for

HL-6050/6050D/6050DN SERVICE MANUAL iii4.3.1 Backlights...

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-184.5.1 Information Display Shows Description PRINT SETTINGS Print the print settings page. PRINT TEST

HL-6050/6050D/6050DN SERVICE MANUAL 2-194.5.2 Paper Display Shows Description SOURCE =AUTO / MP/ TRAY1 / TRAY2 * Selects which paper tray the paper

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-204.5.4 Setup Display Shows Description LANGUAGE =ENGLISH / FRANÇAIS / … Sub-setting Description LCD D

HL-6050/6050D/6050DN SERVICE MANUAL 2-21 Deletes the data in CompactFlash card. Sub-setting Description SECURE FILE Selects the user name, job name

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-22 Sub-setting Description FONT NO. =I000…#### FONT PITCH/POINT =##.## SYMBOL SET PC-8 / … Sets the sym

HL-6050/6050D/6050DN SERVICE MANUAL 2-23 Sub-setting Description FONT NO. =I000…#### FONT PITCH/ POINT =##.## CHARACTER SET PC-8 / … Sets the symbol

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-24 Sub-setting Description FONT NO. =I000 … #### FONT PITCH/POINT =##.## CHARACTER SET PC-8 / … Sets th

HL-6050/6050D/6050DN SERVICE MANUAL 2-254.5.6 Network (HL-6050DN only) Display Shows Description Sub-setting Description TCP/IP ENABLE =ON / OFF

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-264.5.7 Interface Setting Menu Description SELECT =ATUO / PARALLEL / USB / NETWORK AUTO IF TIME = 1, 2,

HL-6050/6050D/6050DN SERVICE MANUAL 2-274.5.9 Set IP address NETWORK TCP/IP TCP/IP ENABLE IP ADDRESS= 192.0.0.192 * Press the + or – button unti

TABLE OF CONTENTS iv 2. MECHANICS ...3-17 2.1

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-284.5.10 About emulation modes This printer has the following emulation modes. HP LserJet Mode The HP

HL-6050/6050D/6050DN SERVICE MANUAL 2-29 Mode Menu Factory Setting SOURCE =AUTO PRIORITY =MP>T1>T2 MP FIRST =OFF MP SIZE =ANY MANUAL FEED =OFF

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-30 Mode Menu Factory Setting MEDIA TYPE =PLAIN PAPER PAPER =A4 / LETTER COPIES =1 ORIENTATION =PORTRAI

HL-6050/6050D/6050DN SERVICE MANUAL 2-31 Mode Menu Factory Setting Subsetting Factory setting FONT NO. =I059 FONT PITCH =10.00 / 12.00 SYMBOL SE

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-32 Mode Menu Factory Setting SELECT =AUTO AUTO IF TIME =5 INPUT BUFFER =LEVEL 3 Subsetting Factory set

HL-6050/6050D/6050DN SERVICE MANUAL 2-335. NETWORK BOARD OPERATION Installing the Brother network board (NC-6100h) allows you to connect the pri

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-34 (5) Put the network board connector firmly into the connector of the main controller board by aligni

HL-6050/6050D/6050DN SERVICE MANUAL 2-355.2 Functions 5.2.1 LED functions Fig. 2-15 No light: If both of the two LEDs are off, then the print se

CHAPTER 2 INSTALLATION AND BASIC OPERATION 2-366. PAPER TRAY INFORMATION (FOR EUROPE ONLY) The paper tray fitted to the printer is different fro

HL-6050/6050D/6050DN SERVICE MANUAL 3-1CHAPTER 3 THEORY OF OPERATION 1. ELECTRONICS 1.1 General Block Diagram Fig. 3-1 shows a general bloc

HL-6050/6050D/6050DN SERVICE MANUAL v3.12 Process Unit Cover ASSY / MP Cover ASSY... 4-

CHAPTER 3 THEORY OF OPERATION 3-21.2 Main PCB Block Diagram Fig. 3-2 shows the block diagram of the main PCB. Reset CircuitBoot + Font ROM (8 MB)RAM

HL-6050/6050D/6050DN SERVICE MANUAL 3-31.3 Main PCB For the entire circuit diagram of the main PCB, see APPENDIX 1. to 6. ‘MAIN PCB CIRCUIT DIAGRAM’

CHAPTER 3 THEORY OF OPERATION 3-4The functions of the interface block communication with external devices are described below; 1.3.2 USB Stores the

HL-6050/6050D/6050DN SERVICE MANUAL 3-51.3.4 Network Interface The network supports 10 Base-T/100 Base-TX through NC-6100h connected via AIO Interfac

CHAPTER 3 THEORY OF OPERATION 3-61.3.5 ROM A 64Mbit ROM (x 16bit) is fitted. ADR[5]ADR[13]ADR[3]ADR[20]ADR[12]ADR[2]DATA[7]ADR[23]DATA[3]ADR[6]DATA[1

HL-6050/6050D/6050DN SERVICE MANUAL 3-71.3.6 Flash ROM A 32Mbit flash ROM (x 16bit) is fitted. ADR[1]ADR[15]ADR[16]ADR[17]ADR[18]ADR[19]ADR[9]ADR[10]

CHAPTER 3 THEORY OF OPERATION 3-81.3.7 SDRAM A 256Mbit SDRAM (x 16bit) is used as the RAM. DATA_S[0]DATA_S[8]ADR[13]DATA_S[4]ADR[10]DATA_S[5]ADR[7]DA

HL-6050/6050D/6050DN SERVICE MANUAL 3-91.3.8 Optional RAM A 32bit (100 pin) DIMM can be fitted as optional RAM. The main PCB has one slot and the ca

CHAPTER 3 THEORY OF OPERATION 3-101.3.9 Compact Flash Compact Flash is controlled by Media GA connected to ASIC. IBM's microdrive is not suppor

HL-6050/6050D/6050DN SERVICE MANUAL 3-111.3.11 Reset Circuit The reset IC is a R3112N281C. The reset voltage is 2.8V (typ.) and the LOW period of re

TABLE OF CONTENTS vi CHAPTER 5 PERIODIC MAINTENANCE... 5-1 1. CONSUMABLE PARTS...

CHAPTER 3 THEORY OF OPERATION 3-121.3.14 Video I/O The video signal output from the ASIC is reversed through a transistor and output after being corr

HL-6050/6050D/6050DN SERVICE MANUAL 3-131.3.15 Sensor I/O Each sensor of Pre-Regist, Regist, T1-PE, Plate, MP-PE, DX-Size, DX-Jam, Rear tray, Front c

CHAPTER 3 THEORY OF OPERATION 3-141.4 Engine PCB The gate array which transforms the serial signal from the main PCB into the parallel signal is moun

HL-6050/6050D/6050DN SERVICE MANUAL 3-151.5 Power Supply 1.5.1 Low-voltage power supply The power supply uses a switching regulation system to gener

CHAPTER 3 THEORY OF OPERATION 3-161.5.2 High-voltage power supply The high-voltage power supply generates and outputs the voltages and currents for

HL-6050/6050D/6050DN SERVICE MANUAL 3-172. MECHANICS 2.1 Overview of Printing Mechanism Fig. 3-21DRUM UNIT Blade Supply roller Paper feed pinch

CHAPTER 3 THEORY OF OPERATION 3-182.2 Paper Transfer 2.2.1 Paper supply The paper pick-up roller picks up one sheet of paper from the paper tray ever

HL-6050/6050D/6050DN SERVICE MANUAL 3-192.2.3 Paper particle remover unit HL-6050 series printer has a paper particle remover unit to remove paper p

CHAPTER 3 THEORY OF OPERATION 3-202.2.4 Paper registration After the paper top position is detected by the regist front actuator, the paper, separate

HL-6050/6050D/6050DN SERVICE MANUAL 3-212.2.5 Paper eject After the printing image on the photosensitive drum is transferred onto the paper, the pape

HL-6050/6050D/6050DN SERVICE MANUAL vii8.6 Windows 95/98/Me (or later) Peer to Peer Print (LPR) Troubleshooting ... 6-59 8.7 Win

CHAPTER 3 THEORY OF OPERATION 3-222.3 Sensors 2.3.1 Document cover sensor Fig. 3-26 2.3.2 Fixing sensor PCB ASSY Fig. 3-27 Fixing unit Docume

HL-6050/6050D/6050DN SERVICE MANUAL 3-232.3.3 Photo interrupter Fig. 3-28 2.3.4 Toner sensor PCB unit / Toner LED PCB ASSY Fig. 3-29 Toner s

CHAPTER 3 THEORY OF OPERATION 3-242.3.5 Relay PCB unit Fig. 3-30 2.3.6 PE/PO sensor PCB ASSY Fig. 3-31 Relay PCB unit PE/PO sensor PCB ASSY

HL-6050/6050D/6050DN SERVICE MANUAL 3-252.3.7 DEV sensor ASSY Fig. 3-32 2.3.8 MP sensor PCB ASSY Fig. 3-33 DEV sensor ASSY MP sensor PCB ASSY

CHAPTER 3 THEORY OF OPERATION 3-262.4 Drum Unit 2.4.1 Photosensitive drum Generates the latent electrostatic image and develops the image on the drum

HL-6050/6050D/6050DN SERVICE MANUAL 3-272.5 Toner Cartridge Develops the electrostatic latent image on the photosensitive drum with toner and forms t

CHAPTER 3 THEORY OF OPERATION 3-282.5.2 New toner detection boss To prevent the toner leakage and image quality degradation when printing in a low d

HL-6050/6050D/6050DN SERVICE MANUAL 3-292.6 Print Process 2.6.1 Charging The drum is charged to approximately 870V by an ion charge which is generate

CHAPTER 3 THEORY OF OPERATION 3-302. The two laser beams reflected by the polygon mirror are refracted by the theta lens and radiated from the right

HL-6050/6050D/6050DN SERVICE MANUAL 3-312.6.3 Pressure contact and release unit HL-6050 series printer has the pressure contact and release unit of